Intellectual and personality changes associated with carotid endarterectomy

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Abstract
Eleven patients with at least 40-50% carotid artery stenosis were given intelligence and personality tests prior to and 6 wk after carotid endarterectomy, a surgical procedure designed to remove arteriosclerotic blockage. When compared with 8 control patients, endarterectomy patients showed increases in Perceptual-Organization IQ, decreases in time to complete a perceptual motor task, and significant reductions in suspicion, confusion, disorientation and other personality symptoms generally associated with senility.